Add Go tools in bazel (#608)

* add atlassian bazel tools

* Add bazel entrypoints for native go stuff

* gazelle

BUILD.bazel

@@ -1,7 +1,33 @@
 load("@bazel_gazelle//:def.bzl", "gazelle")
+load("@com_github_atlassian_bazel_tools//gometalinter:def.bzl", "gometalinter")
+load("@com_github_atlassian_bazel_tools//goimports:def.bzl", "goimports")
+load("@io_kubernetes_build//defs:run_in_workspace.bzl", "workspace_binary")
+
+prefix = "github.com/prysmaticlabs/prysm"
 
 # gazelle:prefix github.com/prysmaticlabs/prysm
 gazelle(
     name = "gazelle",
-    prefix = "github.com/prysmaticlabs/prysm",
+    prefix = prefix,
+)
+
+gometalinter(
+    name = "gometalinter",
+    config = "//:.gometalinter.json",
+    paths = [
+        "./...",
+    ],
+    prefix = prefix,
+)
+
+goimports(
+    name = "goimports",
+    display_diffs = True,
+    write = False,
+    prefix = prefix,
+)
+
+workspace_binary(
+    name = "golint",
+    cmd = "@com_github_golang_lint//golint",
 )

WORKSPACE

@@ -12,6 +12,12 @@ http_archive(
     sha256 = "c0a5739d12c6d05b6c1ad56f2200cb0b57c5a70e03ebd2f7b87ce88cabf09c7b",
 )
 
+http_archive(
+    name = "com_github_atlassian_bazel_tools",
+    strip_prefix = "bazel-tools-6fef37f33dfa0189be9df4d3d60e6291bfe71177",
+    urls = ["https://github.com/atlassian/bazel-tools/archive/6fef37f33dfa0189be9df4d3d60e6291bfe71177.zip"],
+)
+
 git_repository(
     name = "io_bazel_rules_docker",
     commit = "7401cb256222615c497c0dee5a4de5724a4f4cc7",  # 2018-06-22
@@ -61,6 +67,10 @@ load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
 
 gazelle_dependencies()
 
+load("@com_github_atlassian_bazel_tools//gometalinter:deps.bzl", "gometalinter_dependencies")
+
+gometalinter_dependencies()
+
 load(
     "@io_bazel_rules_docker//go:image.bzl",
     _go_image_repos = "repositories",
@@ -68,6 +78,12 @@ load(
 
 _go_image_repos()
 
+git_repository(
+    name = "io_kubernetes_build",
+    commit = "4ce715fbe67d8fbed05ec2bb47a148e754100a4b",
+    remote = "https://github.com/kubernetes/repo-infra.git",
+)
+
 git_repository(
     name = "com_github_jmhodges_bazel_gomock",
     commit = "5b73edb74e569ff404b3beffc809d6d9f205e0e4",
@@ -594,6 +610,18 @@ go_repository(
     importpath = "golang.org/x/sync",
 )
 
+go_repository(
+    name = "com_github_golang_lint",
+    commit = "06c8688daad7faa9da5a0c2f163a3d14aac986ca",
+    importpath = "github.com/golang/lint",
+)
+
+go_repository(
+    name = "org_golang_x_lint",
+    commit = "06c8688daad7faa9da5a0c2f163a3d14aac986ca",
+    importpath = "golang.org/x/lint",
+)
+
 go_repository(
     name = "com_github_aristanetworks_goarista",
     commit = "ff33da284e760fcdb03c33d37a719e5ed30ba844",

beacon-chain/blockchain/service_test.go

@@ -10,7 +10,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	gethTypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/params"

beacon-chain/powchain/service.go

@@ -7,7 +7,7 @@ import (
 	"math/big"
 	"strings"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	gethTypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/prysmaticlabs/prysm/beacon-chain/types"

beacon-chain/powchain/service_test.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/ethereum/go-ethereum"
+	ethereum "github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	gethTypes "github.com/ethereum/go-ethereum/core/types"
 	"github.com/prysmaticlabs/prysm/shared/event"